Lenovo Active Pen 2 is a Bluetooth-enabled Active Capacitive Pen. It can support 4, 096 levels of pressure sensitivity to provide a natural pen & paper experience when you sketch & jot down notes. The Active Pen 2 also features one top button & two built-in side buttons for self-configuration, a USB (Universal Serial Bus) pen holder for storage & three replacement pen tips for longer use. The Lenovo Active Pen 2 is the perfect complement to the touch system, providing an additional way to interact, create & edit. Add a personal touch to documents by signing them with your name or annotating in your own handwriting. Take down handwritten digitised notes, or get creative by editing photos & sketching. However you choose to work, create, or communicate, the Lenovo Active Pen 2 provides more ways to express yourself. Top Features Bluetooth Connectivity Paper Like Writing 2000 Hours Battery Life Metallic & Diamond Cutting Anti-Accident Clicks Configurable Buttons Up to 4096 levels of pressure sensitivity